Monthly Archives December 2016

When rivers, coastal waters or the ocean are polluted, regardless of the source, government agencies begin using terms that may be unfamiliar to the general public. Two common terms used are remediation and restoration.

Remediation and restoration describe actions that return natural areas to healthy communities for fish, wildlife, and people. So what is the difference between remediation and restoration?

The 2010 Deepwater oil disaster in the Gulf of Mexico revealed a challenge with the way scientific monitoring information is shared and stored.

At the time, the scientific records of monitoring efforts in the Gulf of Mexico were dispersed across many entities from universities, natural resource management agencies, private industries to non-governmental organizations. In most cases monitoring systems were developed independently, often narrowed to specific questions, such as how many oysters should be harvested and how many should be left in the water?

The scientific community at Woods Hole Oceanographic Institution (WHOI) responded to the oil spill from tanker Argo Merchant on Dec. 15, 1976, out of a sense of public responsibility to assist in minimizing adverse effects on Georges Bank and nearby coastal regions. This was driven by a heightened awareness among scientists and the general public of humankind’s abuse of the environment. The first Earth Day had occurred six years earlier in 1970.

Whenever oil is transported there is a risk of accidents and spills, but the 40 years since the Argo Merchant oil spill have seen improvements in laws, shipping technology and spill response.

Tankers today are much safer, but they are also much larger. The Argo Merchant was carrying about 8 million gallons of oil, while modern tankers can carry 10 times that amount. A large spill is a rare event, but the impacts are still potentially catastrophic.

Earlier stories have described the Argo Merchant oil spill as the catalyst for the creation of the Office of Response and Restoration (OR&R). Its ongoing partnership with the United States Coast Guard (USCG) and other agencies has expanded from scientific support to include the latest developments in spill response technology.

When the Argo Merchant ran aground on Nantucket Shoals off Massachusetts early on Dec. 15, 1976, and spilled nearly 8 million gallons of heavy fuel oil, it became the worst marine oil spill the United States had seen. It also led to the eventual creation of the Office of Response and Restoration (OR&R).

In 1974, as work began on the Alaska pipeline, NOAA scientists and academics realized there were important unanswered questions about oil spills.

Disasters often spark major changes. The sinking of the Titanic led to increased international requirements for lifesaving equipment, and the Exxon Valdez led to double-hull tankers and a host of other safety improvements. The 1976 grounding of the Argo Merchant led to the creation of the Scientific Support Coordinator (SSC) program that today is the backbone of the marine spill response.

On Dec. 15, 1976, the tanker Argo Merchant ran aground off the coast of Nantucket Island, Massachusetts. Despite attempts to refloat the tanker, the Argo Merchant split in half in strong winds and high waves, spilling more than 7.5 million gallons of oil. It was the largest oil spill in United States history at the time.

One of the challenges in any oil spill is the ability for spill responders to quickly evaluate protection priorities appropriate to the shoreline, habitats, and wildlife found in the area of the spill. Environmental Sensitivity Index (ESI) maps and data developed by NOAA’s Office of Response and Restoration (OR&R) provide spill responders with a concise summary of coastal resources that are at risk if an oil spill occurs nearby. Additionally, ESI maps can be used by planners—before a spill happens—to identify vulnerable locations, establish protection priorities, and identify cleanup strategies.

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